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Finding the Fourth Proportional to 57,622, 79,518.36 and 32,472.40

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Solution

The fourth proportional to 57,622, 79,518.36 and 32,472.40 is: 44,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,622 : 79,518.36 = 32,472.40 : x
  2. Step 2: Convert to fraction form
    57,622/79,518.36 = 32,472.40/x
  3. Step 3: Cross multiply
    57,622x = 79,518.36 × 32,472.40
  4. Step 4: Simplify right side
    57,622x = 2,582,151,993.26
  5. Step 5: Solve for x
    x = 2,582,151,993.26/57,622
  6. Step 6: Final answer
    x = 44,811.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.